WEEKDAY
Use the WEEKDAY function to return the day of the week for a given date. The day is a number ranging from 1 (Sunday) to 7 (Saturday).
Use
WEEKDAY( date [, timezone] )
Returns the day of the week of a date or date/time ranging from 1 (Sunday) to 7 (Saturday).
| Parameter | Required | Description | 
|---|---|---|
| date | Yes | date of the day to return | 
| timezone | No | the dates timezone or locale default if omitted | 
| Returns | Number | 
Example
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